|
|
#include<stdlib.h>
|
|
|
#include<stdio.h>
|
|
|
#include<time.h>
|
|
|
#include<math.h>
|
|
|
typedef struct node
|
|
|
{
|
|
|
int jiajian;
|
|
|
int num1;
|
|
|
int num2;
|
|
|
int trytimes;
|
|
|
}specific;
|
|
|
specific informat[10];
|
|
|
void changesi(int p)
|
|
|
{
|
|
|
if(p==0)
|
|
|
printf("+");
|
|
|
if(p==1)
|
|
|
printf("-");
|
|
|
}
|
|
|
int getgrade(int m)
|
|
|
{
|
|
|
if(m==0)
|
|
|
return 10;
|
|
|
if(m==1)
|
|
|
return 7;
|
|
|
if(m==2)
|
|
|
return 5;
|
|
|
if(m==3)
|
|
|
return 0;
|
|
|
}
|
|
|
int suijishu(int a,int b,int c,int t)
|
|
|
{
|
|
|
int a1,b1;
|
|
|
do
|
|
|
{
|
|
|
a1=rand()%50;
|
|
|
b1=rand()%50;
|
|
|
}while(!(a1+b1>=0&&a1+b1<+50&&a1-b1>=0&&a1-b1<=50));
|
|
|
informat[t].num1=a=a1;
|
|
|
informat[t].num2=b=b1;
|
|
|
informat[t].jiajian=c=rand()%2;
|
|
|
return 0;
|
|
|
}
|
|
|
void show_rank(int sum)
|
|
|
{
|
|
|
printf("\n\n");
|
|
|
printf("总分：%d\n",sum);
|
|
|
if(sum>=90)
|
|
|
printf("SMART\n");
|
|
|
else if(sum<90&&sum>=80)
|
|
|
printf("GOOD\n");
|
|
|
else if(sum<80&&sum>=70)
|
|
|
printf("OK\n");
|
|
|
else if(sum<70&&sum>=60)
|
|
|
printf("PASS\n");
|
|
|
else
|
|
|
printf("TRE AGAIN\n");
|
|
|
}
|
|
|
int main()
|
|
|
{
|
|
|
srand(time(NULL));
|
|
|
printf("----------pupil exercise system----------\n");
|
|
|
printf("\t\t\t*******************************************************\n");
|
|
|
printf("\t\t\t* 此次测试的题目有10道 *\n");
|
|
|
printf("\t\t\t* 题目类型为两位数的加减 *\n");
|
|
|
printf("\t\t\t* 每题10分，总分为100分。 *\n");
|
|
|
printf("\t\t\t*******************************************************\n");
|
|
|
int t=1,cnt=0,sum=0,a,b,c,ans;
|
|
|
while(t<=10)
|
|
|
{
|
|
|
printf("this is the %d question\n",t);
|
|
|
suijishu(a,b,c,t);
|
|
|
while(cnt<=3)
|
|
|
{
|
|
|
if(c==0)
|
|
|
{
|
|
|
printf("%d+%d=",a,b);
|
|
|
scanf("%d",&ans);
|
|
|
if(a+b==ans)
|
|
|
{
|
|
|
printf("Right\n");
|
|
|
break;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
cnt++;
|
|
|
printf("Wrong!!\n");
|
|
|
if(cnt==3)
|
|
|
{
|
|
|
printf("anwser is:%d\n",a+b);
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
else if(c==1)
|
|
|
{
|
|
|
printf("%d-%d=",a,b);
|
|
|
scanf("%d",&ans);
|
|
|
if(a-b==ans)
|
|
|
{
|
|
|
printf("Right\n");
|
|
|
break;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
cnt++;
|
|
|
printf("Wrong!!\n");
|
|
|
if(cnt==3)
|
|
|
{
|
|
|
printf("anwser is:%d\n",a-b);
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
informat[t].trytimes=cnt;
|
|
|
if(cnt==0)
|
|
|
sum+=10;
|
|
|
if(cnt==1)
|
|
|
sum+=7;
|
|
|
if(cnt==2)
|
|
|
sum+=5;
|
|
|
t++;
|
|
|
cnt=0;
|
|
|
printf("\n\n");
|
|
|
printf("--------------------\n");
|
|
|
}
|
|
|
show_rank(sum);
|
|
|
printf("\n\n");
|
|
|
int i;
|
|
|
for(i=1;i<=10;i++)
|
|
|
{
|
|
|
printf("第%d题:%d",i,informat[i].num1);
|
|
|
changesi(informat[i].jiajian);
|
|
|
printf("%d=",informat[i].num2);
|
|
|
if(informat[i].jiajian==0)
|
|
|
printf("%d\n",informat[i].num1+informat[i].num2);
|
|
|
else if(informat[i].jiajian==1)
|
|
|
printf("%d\n",informat[i].num1-informat[i].num2);
|
|
|
printf("你错了%d次，得了%d分\n",informat[i].trytimes,getgrade(informat[i].trytimes));
|
|
|
}
|
|
|
float p;
|
|
|
p=sum/10.0;
|
|
|
printf("你的正确率是:%.2f%%\n",p*10);
|
|
|
return 0;
|
|
|
}
|
